/*
 * Copyright 2017 dmb.star-net.cn
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

'use strict';
var BasicPacket = require('./basic_packet.js');
var Objects = require('../../utils/objects.js');
var PacketType = require('./packet_type.js');
var FixedBuffer = require('../buffer/fixed_buffer.js');

var PongPacket = function () {
};

Objects.extends(false, PongPacket, BasicPacket);

PongPacket.prototype.getPacketType = function () {
    return PacketType.CONTROL_PONG;
};

PongPacket.prototype.toBuffer = function () {
    var buffer = new FixedBuffer(2);
    buffer.writeShort(PacketType.CONTROL_PONG)
    return buffer.getBuffer();
};


module.exports = PongPacket;
